package com.lxd.test.mapper;

import com.lxd.test.pojo.ClientBalance;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

/**
 * @Author Dongdong
 * @注释
 */
@Mapper
public interface ClientBalanceMapper {


    @Select("select balance from client_balance where client_id = #{clientId}")
    ClientBalance findByClientId(@Param("clientId")Long clientId);


}
